CVE-2021-31933
Chamilo Remote Code Execution Vulnerability
Description
A remote code execution vulnerability exists in Chamilo through 1.11.14 due to improper input sanitization of a parameter used for file uploads, and improper file-extension filtering for certain filenames (e.g., .phar or .pht). A remote authenticated administrator is able to upload a file containing arbitrary PHP code into specific directories via main/inc/lib/fileUpload.lib.php directory traversal to achieve PHP code execution.
INFO
Published Date :
April 30, 2021, 9:15 p.m.
Last Modified :
June 28, 2022, 2:11 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
1.2
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-31933.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/162572/Chamilo-LMS-1.11.14-Remote-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
| https://github.com/chamilo/chamilo-lms/commit/229302139e8d23bf6862183cf219b967f6e2fbc1 | Patch Third Party Advisory |
| https://github.com/chamilo/chamilo-lms/commit/f65d065061a77bb2e84f73217079ce3998cf3453 | Patch Third Party Advisory |
| https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-48-2021-04-17-Critical-impact-high-risk-Remote-Code-Execution | Patch Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-31933 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-31933 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jun. 28, 2022
Action Type Old Value New Value Changed CWE CWE-20 CWE-706 -
Modified Analysis by [email protected]
May. 17, 2021
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/162572/Chamilo-LMS-1.11.14-Remote-Code-Execution.html No Types Assigned http://packetstormsecurity.com/files/162572/Chamilo-LMS-1.11.14-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry -
CVE Modified by [email protected]
May. 14, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/162572/Chamilo-LMS-1.11.14-Remote-Code-Execution.html [No Types Assigned] -
Initial Analysis by [email protected]
May. 11, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/chamilo/chamilo-lms/commit/229302139e8d23bf6862183cf219b967f6e2fbc1 No Types Assigned https://github.com/chamilo/chamilo-lms/commit/229302139e8d23bf6862183cf219b967f6e2fbc1 Patch, Third Party Advisory Changed Reference Type https://github.com/chamilo/chamilo-lms/commit/f65d065061a77bb2e84f73217079ce3998cf3453 No Types Assigned https://github.com/chamilo/chamilo-lms/commit/f65d065061a77bb2e84f73217079ce3998cf3453 Patch, Third Party Advisory Changed Reference Type https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-48-2021-04-17-Critical-impact-high-risk-Remote-Code-Execution No Types Assigned https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-48-2021-04-17-Critical-impact-high-risk-Remote-Code-Execution Patch, Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:a:chamilo:chamilo:*:*:*:*:*:*:*:* versions up to (including) 1.11.14
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-31933 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-31933
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
3.53 }} 0.38%
score
0.91766
percentile